I'm so glad this hidden monorail broke down.
A video on YouTube. In Explainers, a Krater category.
Watch on YouTubeSummary by Krater
Tom Scott takes a maintenance tour inside the hollow interior structure of the Prince of Wales Bridge, exploring the hidden monorail system known as the rat.
From the video
Answers: What is inside the Prince of Wales Bridge?
- Prince of Wales Bridge
- Severn estuary
- Cable-stayed bridge
- Bridge maintenance
- Monorail rat system
What it concludes
- The Prince of Wales Bridge features a hidden suspended monorail system called the rat used for maintenance inspection.
- The bridge interior contains post-tensioning cables that are kept under permanent compression to keep the structure strong.
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